Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Rottneros observes a small decrease in the average high-temperature with the arrival of December, falling from November's cold 3.4°C (38.1°F) to a freezing cold -0.7°C (30.7°F). Throughout the nights in December, Rottneros notes an average low of -4.1°C (24.6°F), a small dip from the daytime peak.Humidity
The average relative humidity in December is 90%.Rainfall
In Rottneros, during December, the rain falls for 10.3 days and regularly aggregates up to 42mm (1.65") of precipitation. Throughout the year, there are 154.2 rainfall days, and 526mm (20.71") of precipitation is accumulated.Snowfall
Months with snowfall in Rottneros are January through May, October through December. In December, in Rottneros, it is snowing for 12.5 days. Throughout December, 145mm (5.71") of snow is accumulated. Throughout the year, there are 64.3 snowfall days, and 759mm (29.88") of snow is accumulated.Daylight
With an average of 6h and 6min of daylight, December has the shortest days of the year in Rottneros, Sweden.On the first day of December in Rottneros, sunrise is at 08:41 and sunset at 15:11. On the last day of the month, sunrise is at 09:07 and sunset at 15:13 CET.
Sunshine
The month with the least sunshine in Rottneros is December, with an average of 2.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Rottneros. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold is December in Rottneros?
What is the average humidity in December in Rottneros?
How many days does it rain in December in Rottneros?
How much does it snow in Rottneros in December?
What is the month with the shortest days in Rottneros?
What is the average length of the day in December in Rottneros?
When are sunrise and sunset in December in Rottneros?
What is the month with the least sunshine in Rottneros?
How long on average sun shines in December in Rottneros?
What are the months with the lowest UV index in Rottneros?
What is the UV index reading in December in Rottneros?
Average temperature in December
Rottneros, Sweden
- Average high temperature in December: -0.7°C
The warmest month (with the highest average high temperature) is July (21.1°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in December: -4.1°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).
Average pressure in December
Rottneros, Sweden
- Average pressure in December: 1007.9mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Rottneros, Sweden
- Average wind speed in December: 10.6km/h
The windiest month (with the highest average wind speed) is January (10.8km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in December
Rottneros, Sweden
- Average humidity in December: 90%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in December
Rottneros, Sweden
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in December
Rottneros, Sweden
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
Rottneros, Sweden
- Average snowfall in December: 145mm
The month with the highest snowfall is January (183mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rottneros, Sweden
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rottneros, Sweden
- Average daylight in December: 6h and 1min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in December
Rottneros, Sweden
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in December
Rottneros, Sweden
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Rottneros, Sweden
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in December
Rottneros, Sweden
- Average visibility in December: 7km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January and February (6km).
Rottneros, Sweden
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